AC-to-DC power supply



FIG. 1 is a front, top, and right side perspective view of the AC-to-DC power supply, showing our new design;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a rear side elevational view thereof;

FIG. 4 is a left side elevational view thereof.

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for an AC-to-DC power supply, as shown and described. 